The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 24mm F1.4 DG HSM A and the Nikon 24mm F1.8G ED for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Sigma 24mm F1.4 DG HSM A is the longer of the two lenses at 90mm. The Nikon 24mm F1.8G ED with a length of 83mm, is 7mm shorter. Besides being longer, the Sigma 24mm F1.4 DG HSM A also has a larger diameter of 85mm compared to the Nikon 24mm F1.8G ED's 78mm diameter.
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Below you can find a scaled side-by-side image of Sigma 24mm F1.4 DG HSM A and Nikon 24mm F1.8G ED to get a better idea of how their sizes compare in real life.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Nikon 24mm F1.8G ED weighs 355g, 46% (310g) lighter than the Sigma 24mm F1.4 DG HSM A's weight of 665g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Nikon F (FX) Mount for size comparison purposes.
Wideangle Lenses in Nikon F (FX) Mount for Size Comparison
Filter Threads
The Sigma 24mm F1.4 DG HSM A has a filter size of 77mm whereas the Nikon 24mm F1.8G ED has a 72mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 77mm filters that we recommend you to consider for the Sigma 24mm F1.4 DG HSM A:
And these are the 72mm filters that we recommend for the Nikon 24mm F1.8G ED:
Lens Mounts
Both the Sigma 24mm F1.4 DG HSM A and the Nikon 24mm F1.8G ED has the same Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (FX) lenses are Nikon D6, Nikon D780 and Nikon D3500.
Sigma 24mm F1.4 DG HSM A is also available in Canon EF , Sigma SA and Leica L mounts.
Focal Range
Sigma 24mm F1.4 DG HSM A is a prime lens with fixed focal lenght of 24mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
36mm.
On the other hand, the Nikon 24mm F1.8G ED is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 36mm.